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Frequently Asked CAT Numerical Ability - Time and Work Sample Question with Solutions

(#M40034672) CAT QUESTION pipes and cisterns Keep an EYE

A pipe can fill a cistern in 12 min and another pipe can fill it in 15 min,but a third pipe can empty it in 6 min. the first two pipes are kept open for 5 min in the beginning and then the third pipe is also opened.in what time is the cistern emptied

Asked In CAT ramakrishna (11 years ago)

Solved Ann Theressa Read Solution (6)

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(#M40156437) CAT QUESTION Pipes and Cisterns Keep an EYE

A fills spirit tanker in 8 hours and B fills in 12 hours. They are opened alternately for one hour each, starting with A at 10. When will the tank be filled?

(a) 5.30PM
(b) 6.00PM
(c) 7.30PM
(d) 10.00PM

Asked In CAT Sheetal Paul (9 years ago)

Solved Devendra Marghade Read Solution (1)

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(#M40030858) CAT QUESTION Leelanand Keep an EYE

Q. At what rate percent per annum will the simple interest on a sum of money be 2/5 of the amount in 10 years?

Asked In CAT Leelanand Kumar Yalla (11 years ago)

Unsolved Read Solution (6)

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(#M40034678) CAT QUESTION pipes and cisterns Keep an EYE

Two pipes a and b can fill a tank in 6hrs and 4 hrs respectively. if they are opened on alternate hour and if pipe a is opened first in how many hours, the tank shall be full?

Asked In CAT ramakrishna (11 years ago)

Solved Saraswathy Read Solution (4)

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(#M40034663) CAT QUESTION pipes and cisterns Keep an EYE

Two pipes a and b fill a tank in 15 hrs and 20 hrs respectively. while a third pipe c can empty the full tank in 25hrs. all the three pipes are opened in the beginning. after 10hrs,c is closed. in how much time, will the tank be full?

Asked In CAT ramakrishna (11 years ago)

Solved Saraswathy Read Solution (3)

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(#M40034680) CAT QUESTION pipes and cisterns Keep an EYE

Three pipes a b and c can fill a tank in 6hrs. after working at it together for 2 hrs c is closed and a and b can fill the remaining part in 7hrs. The number of hours taken by c alone to fill the tank is

Asked In CAT ramakrishna (11 years ago)

Solved Ann Theressa Read Solution (7)

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(#M40034673) CAT QUESTION pipes and cisterns Keep an EYE

A pipe can fill a tank in 16hrs.due to a leak in the bottom of the tank it is filled in 24hrs. if the tank is full. how much time will the leak take to empty it?

Asked In CAT ramakrishna (11 years ago)

Solved Saraswathy Read Solution (1)

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(#M40034670) CAT QUESTION pipes and cisterns Keep an EYE

Two taps a and fill a tank respectively in 6 and 8 min. if these two taps are opened one by one for one min each then how long will it take for the tank to fill up?

Asked In CAT ramakrishna (11 years ago)

Unsolved Read Solution (4)

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(#M40165400) CAT QUESTION Time and Work Keep an EYE

A certain job is assigned to three persons - A, B, and C, such that exactly one of them works on the job on each day. The person who works on day 1, works on day 4, 7, .... person who works on day 2 works on day 5,8, ....... and person who works on day 3 works on day 6, 9, ....
If A, B and C work on day 1,2 and 3, the work gets over in 17 days.
If A, C and B work on day 1, 2, and 3, work gets over in 16 1/2 days.
If B, C and A work on day 1, 2 and 3, the work gets over in 16 1/3 days.

Find the time taken to complete the job if C, A and B work on day 1, 2 and 3.

Asked In CAT Nikita Parmar (7 years ago)

Unsolved

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(#M40034664) CAT QUESTION pipes and cisterns Keep an EYE

2 taps can fill a tank in 8hrs and 6hrs respectively a 3rd tap can empty it in 12hrs. how long will it take to fill the tank if all 3 taps are opened together?

Asked In CAT ramakrishna (11 years ago)

Solved Ann Theressa Read Solution (3)

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